... high-speed bus ==> 高速母线 high-speed cache memory ==> 高速缓冲寄存器 high-speed calculator ==> 快速计算机 ...
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If all the data fits in the cache, then the data is read from disk only once; after that, all requests are satisfied from the cache at memory speed.
如果所有数据都在缓存中，那么只需从磁盘读取一次数据；毕竟，所有的请求都可以用内存速度从缓存中得到满足。
This smaller memory is called cache RAM and allows the microprocessor to execute at full speed.
这些小型内存芯片叫快取内存，能让微处理器达到最快速度。
Because workloads with high Symmetrix cache read-hit rates are serviced at memory access speed, storing the data needed on EFDs may not result in a significant increase in performance.
因为具有高symmetrix缓存读中率的工作负载都是以内存访问速度实现的，所以在EFD中存储所需要的数据可能不会对性能有大的改进。
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